函数逻辑报告

函数名称：add_to_page_cache_locked - add a locked page to the pagecache*@page: page to add*@mapping: the page's address_space*@offset: page index*@gfp_mask: page allocation mode* This function is used to add a page to the pagecache. It must be locked.

函数原型：int add_to_page_cache_locked(struct page *page, struct address_space *mapping, unsigned long offset, gfp_t gfp_mask)

返回类型：int

参数：